Logitech M570 Wireless Trackball, black/blue All-day comfort
Work in comfort with a stable, sculpted trackball that supports your hand and lets you rest your arm. Compact footprint
Short on space? No problem. Because the trackball doesn’t move, it’s perfect for tight workspaces and busy desks. Trackball comfort
Your trackball stays in one place, so you don’t have to move your arm to move your cursor. Its sculpted shape supports your hand to let you work all day in comfort. Logitech Advanced 2.4 GHz wireless
You get the reliability of a cord with cordless convenience and freedom—fast data transmission and virtually no delays or dropouts. • Scroll Wheel: Yes
• Number of buttons: 5
• Sensor Resolution: 540
• Software: SetPoint、LCC
• Sensor technology: Laser
• Battery type: 1 AA battery
• Battery life: 18-month battery life
• Wireless operating distance: Approx 10m Package contents: Trackball, Logitech Unifying receiver, 1x AA battery, user documentation. Dimensions: (WxDxH) 95 x 45 x 145 mm (mouse) Weight: 142 g ( mouse with batteries) | 
